Introducing the new Mariner 2 Walnut

26 March 2011

Tom Osler, a top ultrarunner in the 60s who later became a math professor and author of The Serious Runner, conducted a comprehensive study of runners and found that for every extra pound you carry, you will be 2.5 seconds per mile slower. Dr. Steve Gangemi aka “Sock Doc,” examines the biomechanical relationship between excess […]